对含钒微合金化钢连铸坯的高温塑性及变形试样中钒的碳、氮化物析出量进行了研究.研究结果表明,钒的碳、氮化物析出比在900～825 ℃之间最高,825 ℃时钒的碳、氮化物析出速率最大,在800～700 ℃之间,变形试样中仍有10 %～17 %钒的碳、氮化物析出.钒对钢在第Ⅲ脆性温度区的塑性有较大的影响,含钒高的钢铸坯试样脆化程度严重,且脆化向低温方向延伸.
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